#!/bin/bash

# Copyright 2014 The Kubernetes Authors All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -o errexit
set -o nounset
set -o pipefail

source "hack/lib/util.sh"


# emulates "readlink -f" which is not available on BSD (OS X).
function readlinkdashf {
  path=$1
  # Follow links until there are no more links to follow.
  while readlink "$path"; do
    path="$(readlink $path)"
  done 
  # Convert to canonical path.
  path=$(cd "$(dirname "${path}")" && pwd -P)
  echo "$path"
}

